Divide 78 cents by 13 inches to get the cost per inch:
0.78 / 13 = 0.06 ( 6 cents per inch)
Now multiply the cost per inch by 22 inches:
22 x 0.06 = 1.32
It will cost $1.32
5.15 * 100
= 515
515 kilometers wide.
Hope this helps!
Answer:
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